Benutzer:Cheusel

Test blablabla

[math]\textrm{Vor} (X) = \bigcup_{i=1}^n \big\{y\in \mathbb{R}^d \, \big|\, ||y-x_i||\leq ||y-x_j|| \, \forall \, j\in \{1,\dots,n\}\big\}.[/math]